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-rw-r--r--fs/dlm/lock.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 30878defaeb..69ada588707 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -3571,6 +3571,14 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
lock_rsb(r);
switch (error) {
+ case -EBADR:
+ /* There's a chance the new master received our lock before
+ dlm_recover_master_reply(), this wouldn't happen if we did
+ a barrier between recover_masters and recover_locks. */
+ log_debug(ls, "master copy not ready %x r %lx %s", lkb->lkb_id,
+ (unsigned long)r, r->res_name);
+ dlm_send_rcom_lock(r, lkb);
+ goto out;
case -EEXIST:
log_debug(ls, "master copy exists %x", lkb->lkb_id);
/* fall through */
@@ -3585,7 +3593,7 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
/* an ack for dlm_recover_locks() which waits for replies from
all the locks it sends to new masters */
dlm_recovered_lock(r);
-
+ out:
unlock_rsb(r);
put_rsb(r);
dlm_put_lkb(lkb);